1/*-
2 * Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (C) 2013 Intel Corporation
4 * Copyright (C) 2015 EMC Corporation
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/sys/dev/ntb/ntb_hw/ntb_hw_intel.h 323453 2017-09-11 18:48:09Z mav $
29 */
30
31#ifndef _NTB_REGS_H_
32#define _NTB_REGS_H_
33
34#define NTB_LINK_STATUS_ACTIVE	0x2000
35#define NTB_LINK_SPEED_MASK	0x000f
36#define NTB_LINK_WIDTH_MASK	0x03f0
37#define NTB_LNK_STA_WIDTH(sta)	(((sta) & NTB_LINK_WIDTH_MASK) >> 4)
38
39#define XEON_SNB_MW_COUNT	2
40#define XEON_HSX_SPLIT_MW_COUNT	3
41/* Reserve the uppermost bit for link interrupt */
42#define XEON_DB_COUNT		15
43#define XEON_DB_TOTAL_SHIFT	16
44#define XEON_DB_LINK		15
45#define XEON_DB_MSIX_VECTOR_COUNT	4
46#define XEON_DB_MSIX_VECTOR_SHIFT	5
47#define XEON_DB_LINK_BIT	(1 << XEON_DB_LINK)
48#define XEON_NONLINK_DB_MSIX_BITS	3
49
50#define XEON_SPCICMD_OFFSET	0x0504
51#define XEON_DEVCTRL_OFFSET	0x0598
52#define XEON_DEVSTS_OFFSET	0x059a
53#define XEON_LINK_STATUS_OFFSET	0x01a2
54#define XEON_SLINK_STATUS_OFFSET	0x05a2
55
56#define XEON_PBAR2LMT_OFFSET	0x0000
57#define XEON_PBAR4LMT_OFFSET	0x0008
58#define XEON_PBAR5LMT_OFFSET	0x000c
59#define XEON_PBAR2XLAT_OFFSET	0x0010
60#define XEON_PBAR4XLAT_OFFSET	0x0018
61#define XEON_PBAR5XLAT_OFFSET	0x001c
62#define XEON_SBAR2LMT_OFFSET	0x0020
63#define XEON_SBAR4LMT_OFFSET	0x0028
64#define XEON_SBAR5LMT_OFFSET	0x002c
65#define XEON_SBAR2XLAT_OFFSET	0x0030
66#define XEON_SBAR4XLAT_OFFSET	0x0038
67#define XEON_SBAR5XLAT_OFFSET	0x003c
68#define XEON_SBAR0BASE_OFFSET	0x0040
69#define XEON_SBAR2BASE_OFFSET	0x0048
70#define XEON_SBAR4BASE_OFFSET	0x0050
71#define XEON_SBAR5BASE_OFFSET	0x0054
72#define XEON_NTBCNTL_OFFSET	0x0058
73#define XEON_SBDF_OFFSET	0x005c
74#define XEON_PDOORBELL_OFFSET	0x0060
75#define XEON_PDBMSK_OFFSET	0x0062
76#define XEON_SDOORBELL_OFFSET	0x0064
77#define XEON_SDBMSK_OFFSET	0x0066
78#define XEON_USMEMMISS_OFFSET	0x0070
79#define XEON_SPAD_OFFSET	0x0080
80#define XEON_SPAD_COUNT		16
81#define XEON_SPADSEMA4_OFFSET	0x00c0
82#define XEON_WCCNTRL_OFFSET	0x00e0
83#define XEON_UNCERRSTS_OFFSET	0x014c
84#define XEON_CORERRSTS_OFFSET	0x0158
85#define XEON_B2B_SPAD_OFFSET	0x0100
86#define XEON_B2B_DOORBELL_OFFSET	0x0140
87#define XEON_B2B_XLAT_OFFSETL	0x0144
88#define XEON_B2B_XLAT_OFFSETU	0x0148
89
90#define ATOM_MW_COUNT		2
91#define ATOM_DB_COUNT		34
92#define ATOM_DB_MSIX_VECTOR_COUNT	34
93#define ATOM_DB_MSIX_VECTOR_SHIFT	1
94
95#define ATOM_SPCICMD_OFFSET	0xb004
96#define ATOM_MBAR23_OFFSET	0xb018
97#define ATOM_MBAR45_OFFSET	0xb020
98#define ATOM_DEVCTRL_OFFSET	0xb048
99#define ATOM_LINK_STATUS_OFFSET	0xb052
100#define ATOM_ERRCORSTS_OFFSET	0xb110
101
102#define ATOM_SBAR2XLAT_OFFSET	0x0008
103#define ATOM_SBAR4XLAT_OFFSET	0x0010
104#define ATOM_PDOORBELL_OFFSET	0x0020
105#define ATOM_PDBMSK_OFFSET	0x0028
106#define ATOM_NTBCNTL_OFFSET	0x0060
107#define ATOM_EBDF_OFFSET		0x0064
108#define ATOM_SPAD_OFFSET		0x0080
109#define ATOM_SPAD_COUNT		16
110#define ATOM_SPADSEMA_OFFSET	0x00c0
111#define ATOM_STKYSPAD_OFFSET	0x00c4
112#define ATOM_PBAR2XLAT_OFFSET	0x8008
113#define ATOM_PBAR4XLAT_OFFSET	0x8010
114#define ATOM_B2B_DOORBELL_OFFSET	0x8020
115#define ATOM_B2B_SPAD_OFFSET	0x8080
116#define ATOM_B2B_SPADSEMA_OFFSET	0x80c0
117#define ATOM_B2B_STKYSPAD_OFFSET	0x80c4
118
119#define ATOM_MODPHY_PCSREG4	0x1c004
120#define ATOM_MODPHY_PCSREG6	0x1c006
121
122#define ATOM_IP_BASE		0xc000
123#define ATOM_DESKEWSTS_OFFSET	(ATOM_IP_BASE + 0x3024)
124#define	ATOM_LTSSMERRSTS0_OFFSET (ATOM_IP_BASE + 0x3180)
125#define ATOM_LTSSMSTATEJMP_OFFSET	(ATOM_IP_BASE + 0x3040)
126#define ATOM_IBSTERRRCRVSTS0_OFFSET	(ATOM_IP_BASE + 0x3324)
127
128#define ATOM_DESKEWSTS_DBERR		(1 << 15)
129#define ATOM_LTSSMERRSTS0_UNEXPECTEDEI	(1 << 20)
130#define ATOM_LTSSMSTATEJMP_FORCEDETECT	(1 << 2)
131#define ATOM_IBIST_ERR_OFLOW		0x7fff7fff
132
133#define NTB_CNTL_CFG_LOCK		(1 << 0)
134#define NTB_CNTL_LINK_DISABLE		(1 << 1)
135#define NTB_CNTL_S2P_BAR23_SNOOP	(1 << 2)
136#define NTB_CNTL_P2S_BAR23_SNOOP	(1 << 4)
137#define NTB_CNTL_S2P_BAR4_SNOOP		(1 << 6)
138#define NTB_CNTL_P2S_BAR4_SNOOP		(1 << 8)
139#define NTB_CNTL_S2P_BAR5_SNOOP		(1 << 12)
140#define NTB_CNTL_P2S_BAR5_SNOOP		(1 << 14)
141#define ATOM_CNTL_LINK_DOWN		(1 << 16)
142
143#define XEON_PBAR23SZ_OFFSET	0x00d0
144#define XEON_PBAR45SZ_OFFSET	0x00d1
145#define XEON_PBAR4SZ_OFFSET	0x00d1
146#define XEON_PBAR5SZ_OFFSET	0x00d5
147#define XEON_SBAR23SZ_OFFSET	0x00d2
148#define XEON_SBAR4SZ_OFFSET	0x00d3
149#define XEON_SBAR5SZ_OFFSET	0x00d6
150#define NTB_PPD_OFFSET		0x00d4
151#define XEON_PPD_CONN_TYPE	0x0003
152#define XEON_PPD_DEV_TYPE	0x0010
153#define XEON_PPD_SPLIT_BAR	0x0040
154#define ATOM_PPD_INIT_LINK	0x0008
155#define ATOM_PPD_CONN_TYPE	0x0300
156#define ATOM_PPD_DEV_TYPE	0x1000
157
158/* All addresses are in low 32-bit space so 32-bit BARs can function */
159#define XEON_B2B_BAR0_ADDR	0x1000000000000000ull
160#define XEON_B2B_BAR2_ADDR64	0x2000000000000000ull
161#define XEON_B2B_BAR4_ADDR64	0x4000000000000000ull
162#define XEON_B2B_BAR4_ADDR32	0x20000000ull
163#define XEON_B2B_BAR5_ADDR32	0x40000000ull
164
165/* The peer ntb secondary config space is 32KB fixed size */
166#define XEON_B2B_MIN_SIZE		0x8000
167
168#endif /* _NTB_REGS_H_ */
169